What is CVE-2020-3364?

CVE-2020-3364 is a medium-severity vulnerability in Cisco iOS Xr Software, classified under Improper Access Control. CVSS score: 5.3/10. Published 2020-06-18.

How severe is CVE-2020-3364?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Cisco iOS Xr Software

CVE-2020-3364

A vulnerability in the access control list (ACL) functionality of the standby route processor management interface of Cisco IOS XR Software could allow an unauthenticated, remote attacker to reach the configured IP addresses on the standby route processor management Gigabit Ethernet Management interface. The vulnerability is due to a logic error that was introduced in the Cisco IOS XR Software, which prevents the ACL from working when applied against the standby route processor management interface. An attacker could exploit this vulnerability by attempting to access the device through the standby route processor management interface.

EPSS: 0.009 (56.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Cisco Ios Xr Software — versions n/a
Cisco Ios_xr — versions 6.7.1, 7.0.2, 7.0.11

Weakness classification (CWE)

References

psirt@cisco.com (x_refsource_CISCO, vendor-advisory, Mitigation, Vendor Advisory)

Frequently asked questions

What is CVE-2020-3364?: CVE-2020-3364 is a medium-severity vulnerability in Cisco iOS Xr Software, classified under Improper Access Control. CVSS score: 5.3/10. Published 2020-06-18.
How severe is CVE-2020-3364?: Medium severity. CVSS v3 base score is 5.3 out of 10.